.root-container{
    -fx-background-image: url(../image/icon.jpg);
    -fx-pref-width: 800;
    -fx-pref-height: 600;
    -fx-background-size: 100% 100%;
    -fx-border-color: green;
}

.title{

    -fx-pref-height: 120;
    -fx-font-size: 50;
}